B09_ATT_1_UT_ORPHAN_WELLS_UT_2023_FINAL_DRAFT_AMENDMENT_0002_0002.pdf

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United States Department of the Interior Bureau of Land Management

Orphan Wells and Reclama�on Statement of Work

Location: Canyon Country District, Moab Field Office

Address: U.S. Department of the Interior

Bureau of Land Management

Utah State Office

440 West 200 South, Suite 500

Salt Lake City, Utah 84101

May 2022

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TABLE OF CONTENTS

I. Summary of Work……………………………………………………………………………………………………………………….4

II. Background…………………………………………………………………………………………………………………………………4

A. Geology…………………………………..…………………………………………………………………………………………5

B. Well loca�on…………………………………..…………………………………………………………………………………5

C. Wellbore………………………………..………………………………………………………………………………………….6

III. Plugging and Abandonment Plan ………………………………………………………………………..…………………….6

IV. Plugging Procedures…………………………………………………………………………………………………………..……..8

A. Calvinco 31-12…………………………………………………………………………………………………………………..8

B. Federal 4-12………………………………………………………………………………………………………………………9

C. Brown USA 35-3..…………………………………………………………………………………………………………….10

D. Wilson 33-15…………………………………………………………………………………………………………………..11

E. Wilson 33-2……………………………………………………………………………………………………………………..12

F. Federal 3-15……………………………………………………………………………………………………………….…..13

G. Federal 3-8…………………………………………………………………………………………………………..…………14

H. Federal 5-13……………………………………………………………………………………………………………………15

I. Federal 35-10………………………………………………………………………………………………………………….16

J. Reinauer 1-14……………..…………………………………………………………………………………………………..17

K. Reinauer 1-5………………….…………………………………………………………………………………………………18

L. H2S Safety Hazards……………………………………………………………………………………………………………19

V. Acronyms………………………………………………………………………………………………..………………………………19

Appendix A: BLM Office Contacts…………………………………………………………………………………………………….21

Appendix B: Overview Map……………………………………………………………………………………………………

Appendix C: Topographic Map………………………………………………………………………………………………………….23

Appendix D: Aerial Maps………………………………………………………………………………………………………………….24

Appendix E: Current Well Bore Schema�cs…………………………………………………………………………………

Appendix F: Plugged Well Bore Schema�cs………………………………………………………………………………………46

Appendix G: Reclama�on Notes……………………………………………………………………………………………………….57

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I . SUMMARY OF WORK:

Eleven wells in Grand County, previously operated by Northstar Gas Company Inc, have been placed into an orphan status with no iden�fiable responsible party. In accordance with the requirement of 43 CFR 3162.3-4 (a) (b) and per Sec�on XII of the Bureau of Land Management Onshore Oil and Gas Order No.

1, III., XII., A., B., these wells must be plugged and abandoned (P&A), the loca�ons cleaned up, and the surface reclaimed.

This report contains general lease informa�on for each well, the geological forma�ons, the loca�on of the wells, wellbore design, a procedure to P&A each well, and reclama�on plans for the wells.

Table 1 – Well Informa�on:

Lease

Number US Well Number

Well Name Status State County Spud Date

Completion Date

UTU13031 4301930704 Calvinco 31-12 GSI UT GRAND 11/12/1980 1/15/1981

UTU41371 4301930522 Federal 4-12 GSI UT GRAND 8/26/1980 10/7/1980

UTU10152 4301930771 Brown USA 35-3 GSI UT GRAND 3/18/1981 5/1/1981

UTU31468 4301930520 Wilson 33-15 GSI UT GRAND 8/5/1980 9/26/1980

UTU31468 4301930703 Wilson 33-2 GSI UT GRAND 9/23/1980 5/6/1981

UTU38838A 4301930463 Federal 3-15 GSI UT GRAND 2/16/1979 8/4/1979

UTU38838A 4301930521 Federal 3-8 GSI UT GRAND 8/5/1979 9/15/1979

UTU41372 4301930544 Federal 5-13 GSI UT GRAND 11/5/1981 5/24/1982

UTU10152 4301930538 Federal 35-10 GSI UT GRAND 10/27/1979 12/11/1979

UTU73414 4301930733 Reinauer 1-14 GSI UT GRAND 2/9/1981 3/9/1981

UTU73414 4301930697 Reinauer 1-5 GSI UT GRAND 4/18/1981 6/24/1981

Contractor shall perform work in accordance with industry standards and all local, state, and federal regula�ons. In general, orphan wells shall be plugged following the standards established in Onshore Oil and Gas Order No. 2 [54 FR 39528, Sept. 27, 1989], Sec�on G. Drilling Abandonment Requirements.

Hydrogen Sulfide Gas (H2S) is not known to be present in these wells. Should H2S be detected in concentra�ons over 100 ppm in the gas stream, opera�ons will be shut down un�l a plan to safely proceed is developed and implemented.

I I . BACKGROUND:

These eleven wells were drilled and completed by Belnorth Petroleum Corp between 1960 and 1981.

The wells changed hands mul�ple �mes through the 1980s and 1990s before being taken over by Northstar Gas Company Inc in 1994. The wells con�nued producing un�l March 2013 when the first well

| 5 was shut in. All eleven wells were shut in by January 2016. Northstar Gas Company has been unreachable for several years and the wells have been classified as orphaned. The BLM has both surface and mineral responsibili�es for all involved wells. Because the involved lessees/operators failed to properly plug and abandon the wells, the BLM is now responsible for proper plugging of the wells.

1. GEOLOGY:

Onshore Oil and Gas Order No. 2 Sec�on III., G. states that “all forma�ons bearing usable-quality water, oil, gas, or geothermal resources, and/or a prospec�vely valuable deposit of minerals shall be protected.”

Utah Geological Survey, Study 144 Plate 4, Depth to the BMSW, Uinta Basin, Utah published by Utah Geological Survey in 2012 lists the depth to the base of moderately saline waters in northern Grand County in the area of these orphaned wells at approximately 3000-5000 feet below the surface. A�er evalua�on it was determined that the BMSW is below a usable-quality depth and thus will not be isolated with a dedicated plug at that depth. Plugs above that depth will isolate it. Table 2 below lists the forma�ons that were penetrated by eleven orphaned wells. These forma�ons will be isolated.

Table 2 – Forma�on top depths. Colors indicate the forma�ons in which water or oil/gas are encountered, and perforated in each wellbore:

NR= Forma�on top Not Recorded in drilling reports with UDOGM; NDE= well Not Deep Enough

Water recorded Gas/oil recorded Perfora�ons

2. WELL LOCATION:

The orphaned wells, shown in Figure 1 below, are located in Grand County, Utah approximately 60 miles west of Grand Junc�on, Colorado. The orphaned wells can be found at the la�tudes and longitudes listed in Table 4 below. A loca�on map and direc�ons to each site are atached.

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Table 2 - Loca�on of Wells:

C. WELLBORE:

See “current wellbore schema�c” for each well, atached below.

I I I . PLUGGING AND ABANDONMENT PLAN:

The contractor shall have a copy of the contract on loca�on at all �mes, while performing opera�ons.

GENERAL

A. Descrip�on: The plan submited by the Contractor shall provide for the plugging and abandonment of an orphaned oil and gas well situated on land in a semi-arid environment.

B. Submitals: All submitals shall be signed and dated by the Contractor and iden�fied by the project number. Submitals requiring BLM approval will be returned to the Contractor within ten working days by the Contrac�ng Officer’s Representa�ve (COR). Submitals by the contractor to the BLM shall include:

1. Records: A daily tour sheet (driller's log) shall be kept on the work site. This sheet must keep a current descrip�on of all ac�vi�es conducted during each 24-hour period. All service company's reports must also be kept at the work site. All records shall be available for inspec�on during the job, and shall be submited to the COR at the conclusion of the job or upon request.

2. Opera�onal Plan: The Contractor shall provide a work schedule with any updated changes daily. The BLM Project Inspector (PI) will be on the work site during the plugging opera�on to ensure that the contract is followed and that needed approvals for changes can be expedited.

US Well Number Well Name Status State County TWP RGE SEC QTR LATITUDE LONGITUDE 4301930704 Calvinco 31-12 GSI UT GRAND 16S 25E 31 NWSW 39.370388 -109.206780

4301930522 Federal 4-12 GSI UT GRAND 17S 24E 4 NWSW 39.354935 -109.270840

4301930771 Brown USA 35-3 GSI UT GRAND 16S 24E 35 NENW 39.377224 -109.237150

4301930520 Wilson 33-15 GSI UT GRAND 16S 24E 33 SWSE 39.368176 -109.272484

4301930703 Wilson 33-2 GSI UT GRAND 16S 24E 33 NWNE 39.377663 -109.269300

4301930463 Federal 3-15 GSI UT GRAND 17S 24E 3 SWSE 39.351685 -109.244644

4301930521 Federal 3-8 GSI UT GRAND 17S 24E 3 SENE 39.360980 -109.242165

4301930544 Federal 5-13 GSI UT GRAND 17S 24E 5 SWSW 39.352642 -109.290665

4301930538 Federal 35-10 GSI UT GRAND 16S 24E 35 NWSE 39.371487 -109.235405

4301930733 Reinauer 1-14 GSI UT GRAND 17S 24E 1 SESW 39.352920 -109.213950

4301930697 Reinauer 1-5 GSI UT GRAND 17S 24E 1 SWNW 39.360980 -109.216610

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3. Changes in the Plugging Method: All changes the Contractor proposes to the plugging program shall require approval prior to implementa�on.

PRODUCTS AND EQUIPMENT

A. Cement. Cement used for plugs shall be API Class G or equivalent. Dry weight of cement shall be 94 lb/sack (sacks). Dry bulk cement may be delivered by truck. Cement shall conform to the following:

B. Cement Addi�ves.

1. Calcium Chloride (CaCl2) may be used to reduce the wait-on-cement (WOC) �me for the cement plugs. The Government will determine, based on site condi�ons, when CaCl2 will be added to the cement. The amount of CaCl2 added to the cement will be determined at the well site.

D. Water. Water used for cemen�ng opera�ons shall be potable water. If the water is from a non-potable source the water shall be tested to ensure compa�bility with the cement. The Contractor shall submit a copy of the compa�bility test to the Contrac�ng Officer (CO) and the use of such non-potable water will only be used upon BLM approval.

PLUGGING EQUIPMENT: The Contractor shall provide all necessary equipment to complete the work as described herein. Equipment required may include the following:

A. Comple�on/Work Over Rig: The rig shall have the capacity to operate to a depth of 7,000 feet. The rig shall be furnished with crew and supervision. If requested, provide the manufacturer's name, size and capacity for the rig, and as needed, the following required auxiliary equipment:

1. Tubing tools and a work string, including any necessary bits, scrapers, cast iron bridge plugs or cast-iron cement retainers appropriately sized for the casing strings involved.

B. Well Control Equipment: The well control equipment shall consist of a full opening safety valve capable of providing full closure of the wellbore during non-opera�onal periods. It also includes a complete BOPE stack and controls including rams, accumulator, and controls. BOPE shall be sized to a minimum 2000 psi working pressure.

C. Wireline truck and equipment for running logs, perfora�on guns, plugs and other wireline ac�vi�es, as needed.

D. Cemen�ng Equipment: The cemen�ng equipment shall be capable of batch mixing of cement slurry.

A mud/mul�-purpose pump shall be provided that is capable of pumping the cement slurry to the plug depths as specified.

E. Storage Tanks - Well Fluids: Enough storage tanks shall be furnished to contain all well fluids circulated from the well during plugging opera�ons. Hazardous materials or hydrocarbons shall be disposed of in an approved disposal facility.

F. Plug and Abandonment Marker (dry hole plate): Shall be a metal plate at least 1/4" thick and welded in place. A weep hole shall be in the plate. The following shall be inscribed on the plate:

1. Well name and number

Gal./Sx. Cu.Ft./Sx Lbs./Gal. Lbs./Cu.Ft.

G 5 0.67 15.8 118 1.15 H 5.2 0.7 15.6 117 1.18

API CLASS

WATER REQUIREMENTS SLURRY YIELD

Cu.Ft./Sx

SLURRY WEIGHT

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2. Federal lease number

3. US Well Number (API number)

4. Loca�on: 1/4, 1/4 Sec., Township, Range

EXECUTION

PLUGGING REQUIREMENTS:

The BLM has provided es�mated plugging procedures with es�mated quan��es of cement in this document. The contractor is responsible for ensuring that the plugging is performed in accordance with all applicable Federal and local laws.

A. SITE SPECIFIC REQUIREMENTS: The BLM will provide site specific well plugging requirements to the Contractor via electronic media. See Appendix 4.1.

B. SALVAGE ITEMS: The contractor shall remove as salvage, from each loca�on, all the following: well head, any recovered downhole equipment, all surface produc�on equipment, ancillary equipment (including gathering pipelines) and well site refuse.

C. ANCHORS: Anchors shall be removed or cut off at least 6” below final ground level.

IV. PLUGGING PROCEDURES

All depths are measured depth (MD) unless otherwise stated and are approximate depths. They may change based on down hole condi�ons. Cement volumes are best es�mates and may require minor changes if downhole condi�ons warrant it.

1. CALVINCO 31-12

1. MIRU plugging equipment, rig, wireline and cementing. Set and test anchors, as necessary.

2. Kill well if necessary.

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,100’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 2,788’ MD. Isolation is required to cover Castlegate top at 1,560’, casing shoe at 1,769’, top of the Mancos B at 2,290’ and the top of the Dakota at 5,170’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,350’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,250’.

11. Pump 100 sx of cement and leave additional 10 sx on top of retainer.

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a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 1,800’ to 1,500’ with ~30 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Calvinco 31-12

b. UTU13031

c. 4301930704

d. NWSW Sec 31 T16S R25E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

20. See attached the “Orphan Well Reclamation Post Onsite Update” for the reclamation scope.

2. FEDERAL 4-12

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,800’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. The TOC by CBL is 4,780’ MD isolating the Dakota at 5,854’. Isolation is required to cover

Castlegate top at 2,124’, casing shoe at 2,392’ and the top of the Mancos B at 3,080’.

8. RIH and perforate 4-1/2” casing at 3,100’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 3,050’.

11. Pump 100 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 2,050’ to 2,450’ with ~35 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

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15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Federal 4-12

b. UTU41371

c. 4301930522

d. NWSW Sec 4 T17S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

3. BROWN USA 35-3

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,300’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 3,711’ MD. Isolation is required to cover Castlegate top at 1,648’, casing shoe at 1,870’, top of the Mancos B at 2,360’ and the top of the Dakota at 5,290’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,400’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,350’.

11. Pump 80 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 1,550’ to 1,950’ with ~35 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

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a. Brown USA 35-3

b. UTU05010

c. 4301915047

d. SWSE Sec 10 T16S R25E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

4. WILSON 33-15

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,950’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 4,120’ MD. Isolation is required to cover Castlegate top at 2,343’, casing shoe at 2,448’, top of the Mancos B at 3,543’ and the top of the Dakota at 6,003’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 3,550’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 3,500’.

11. Pump 125 sx of cement and leave additional 10 sx on top of retainer.

a. Balance plug from 2,250’ to 2,550’ with ~30 sx. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

13. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

14. Circulate cement to surface up 4” x 7” casing annulus.

15. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

16. Weld a dry hole plate across the casing stub inscribed with the following:

a. Wilson 33-15

b. UTU31468

c. 4301930520

d. SWSE Sec 33 T16S R24E

17. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

18. Release plugging equipment, backfill cellar and clean up location.

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19. Recontour pad and road to match surrounding topography.

5. WILSON 33-2

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 3,900’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. CBL shows TOC at 4,030’. A squeeze was performed at 4,000’. Isolation is required to cover

Castlegate top at 2,812’ and the casing shoe at 2,820’.

8. RIH and perforate 4-1/2” casing at 2,900’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,850’.

11. Pump 30 sx of cement and leave 30 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

13. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

14. Circulate cement to surface up 4” x 7” casing annulus.

15. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

16. Weld a dry hole plate across the casing stub inscribed with the following:

a. Wilson 33-2

b. UTU31468

c. 4301930703

d. NWNE Sec 33 T16S R24E

17. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

18. Release plugging equipment, backfill cellar and clean up location.

19. See attached the “Orphan Well Reclamation Post Onsite Update” for the reclamation scope.

6. FEDERAL 3-15

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3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 4,550’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 3,528’ MD. Isolation is required to cover Castlegate top at 964’, casing shoe at 852’, top of the Mancos B at 2,185’ and the top of the Dakota at 4,616’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,200’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,150’.

11. Pump 130 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 750’ to 1,050’ with ~30 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Federal 3-15

b. UTU38838A

c. 4301930463

d. SWSE Sec 3 T17S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

7. FEDERAL 3-8

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at X,XXX’. Dump 10 sx on top of retainer.

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6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 2,914’ MD. Isolation is required to cover Castlegate top at 1,500’, casing shoe at 1,328’, top of the Mancos B estimated at ~2,700’ and the top of the Dakota at 4,819’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,700’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,650’.

11. Pump 140 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 1,250’ to 1,550’ with ~30 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Federal 3-8

b. UTU38838A

c. 4301930521

d. SENE Sec 3 T17S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

8. FEDERAL 5-13

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,850’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The TOC was reported at 4,100’. Isolation is required to

| 15 cover Castlegate top at 2,279’, casing shoe at 2,681’, top of the Mancos B estimated at ~3,479’ and the top of the Dakota at 5,895’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 3,500’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 3,450’.

11. Pump 130 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 2,200’ to 2,750’ with ~55 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Federal 5-13

b. UTU41372

c. 4301930544

d. SWSW Sec 5 T17S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

9. FEDERAL 35-10

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,050’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 3,278’. Isolation is required to cover Castlegate top at 1,500’, casing shoe at 1,569’, top of the Mancos B at 2,700’ and the top of the Dakota at 5,115’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,700’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

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10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,650’.

11. Pump 130 sx of cement and leave additional 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

12. Balance plug from 1,450’ to 1,700’ with ~30 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Federal 35-10

b. UTU10152

c. 4301930538

d. NWSE Sec 35 T16S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

10. REINAUER 1-14

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 4,450’. Dump 10 sx on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 3,835’. Isolation is required to cover Castlegate top estimated at ~2,020’, casing shoe at 1,195’, top of the Mancos B estimated at ~3,220’ and the top of the Dakota at 4,500’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 3,250’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 3,200’.

11. Pump 130 sx of cement and leave additional 10 sx on top of retainer.

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12. Balance plug from 1,950’ to 2,200’ with ~30 sx.

13. RIH and perforate 4-1/2” casing at 1,300’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Run in hole with 4-1/2” cement retainer on tubing and set at 1,250’.

16. Pump 20 sx of cement and leave additional 20 sx on top of retainer.

17. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

18. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

19. Circulate cement to surface up 4” x 7” casing annulus.

20. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

21. Weld a dry hole plate across the casing stub inscribed with the following:

a. Reinauer 1-14

b. UTU73414

c. 4301930733

d. SESW Sec 1 T17S R24E

22. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

23. Release plugging equipment, backfill cellar and clean up location.

24. See attached the “Orphan Well Reclamation Post Onsite Update” for the reclamation scope.

11. REINAUER 1-5

3. ND wellhead. NU and test BOP.

4. TOOH with tubing and lay down same.

5. RIH with work string with cement retainer. Set cement retainer at 5,500’. Dump 10 sacks on top of retainer.

a. Pressure test casing to 500 psi. If casing does not hold pressure for 5 minutes with less than a 10% pressure loss, contact COR.

6. POOH and LD tubing work string and rig up wireline.

7. Run CBL to determine TOC of production casing. The log results will determine the depth of the isolation cement squeeze procedure. The calculated TOC is 2,077’ MD. Isolation is required to cover Castlegate top at 1,935’, casing shoe at 2,248’, top of the Mancos B at 2,646’ and the top of the Dakota at 5,550’. Procedure may be adjusted based on CBL results.

8. RIH and perforate 4-1/2” casing at 2,650’.

9. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

10. Run in hole with 4-1/2” cement retainer on tubing and set at 2,600’.

11. Pump 85 sx of cement and leave additional 10 sx on top of retainer.

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12. Balance plug from 1,850’ to 2,350’ with ~50 sx.

13. POOH and LD tubing work string and rig up wireline. Perforate 4-1/2” casing at 100’.

14. Rig down wireline and RU cementing equipment. Establish circulation to surface with water by pumping down casing and up annulus.

15. Circulate cement to surface up 4” x 7” casing annulus.

16. Cut off well head 3 feet below ground level and make sure cement is to surface in casing and annulus. If cement drops, place 50’ of cement at surface inside both the annulus and the production casing.

17. Weld a dry hole plate across the casing stub inscribed with the following:

a. Reinauer 1-5

b. UTU73414

c. 4301930697

d. SWNW Sec 1 T17S R24E

18. Note GPS wellbore location with a minimum of 6 decimal places and note on reports.

19. Release plugging equipment, backfill cellar and clean up location.

L. H2S SAFETY HAZARDS:

MINIMUM REQUIREMENTS REQUIRED BY REGULATION: Onshore Order No.6 – H2S Opera�ons

1. General

a. A specific H2S opera�ons plan for plugging opera�on will not be required for approval prior to star�ng work, personal H2S monitors will be worn on loca�on.

b. If H2S is encountered in excess of 100 ppm in the wellbore, the following measures shall be taken:

i. The Contractor shall immediately ensure control of the well, suspend plugging opera�ons and obtain materials and safety equipment necessary to bring the opera�ons into compliance with of applicable provisions of Onshore Order No. 6.

ii. The Contractor shall no�fy the COR of the event and the mi�ga�ng steps that have or are being taken as soon as possible.

iii. It is the Contractor’s responsibility to ensure that the safety plan is approved by the CO and the contract amended, prior to the resump�on of opera�ons.

V. ACRONYMS

1. API: American petroleum ins�tute

2. BLM: Bureau of Land Management

3. BMSW: Base of moderately saline water

4. BOP: Blowout preventer

5. BOPE: Blowout preventer equipment

6. CBL: Cement bond log

7. CFR: Code of Federal Regula�ons

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8. COR: Contrac�ng Officer’s Representa�ve

9. GPS: Global posi�oning system

10. GSI: Gas well shut in

11. H2S: Hydrogen Sulfide (Gas)

12. LD: Lay down

13. MD: Measured depth

14. MIRU: Move in rig up

15. ND: Nipple down

16. NU: Nipple up

17. P&A: Plugged and abandoned

18. PI: Project Inspector

19. POOH: Pull out of hole

20. ppm: parts per million - a frac�onal unit of measure for molecular concentra�on

21. psi: pounds per square inch

22. RIH: Run in hole

23. sx: sacks

24. TOC: Top of cement

25. TOOH: Trip out of hole

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APPENDIX A: BLM OFFICE CONTACTS

Contrac�ng Officers Representa�ve Angus, Ryan

(435) 781-4486 rangus@blm.gov

Contrac�ng Officer Johnson, Paula

(720) 417-3005 pjohnson@blm.gov mailto:rangus@blm.gov mailto:pjohnson@blm.gov

Appendix A: BLM Office Contacts